Index: firmware/App/Modes/ModeChemicalDisinfect.c
===================================================================
diff -u -rcea079b61dbd17b2ddaec99b1124248147d14e72 -rba0335ef18c7859109251f130178acc785c1d39e
--- firmware/App/Modes/ModeChemicalDisinfect.c	(.../ModeChemicalDisinfect.c)	(revision cea079b61dbd17b2ddaec99b1124248147d14e72)
+++ firmware/App/Modes/ModeChemicalDisinfect.c	(.../ModeChemicalDisinfect.c)	(revision ba0335ef18c7859109251f130178acc785c1d39e)
@@ -937,12 +937,12 @@
         // Done with draining the reservoirs
         signalDrainPumpHardStop();
 
-        // The bicarb line is used to inject the acid into the fluid path during chemical disinfect
-        requestConcentratePumpsOn( CONCENTRATEPUMPS_CP2_BICARB );
-
         // Set the concentrate pump to run at a constant speed during priming
         setConcentratePumpTargetSpeed( CONCENTRATEPUMPS_CP2_BICARB, CONC_PUMP_PRIME_SPEED_ML_PER_MIN );
 
+        // The bicarb line is used to inject the acid into the fluid path during chemical disinfect
+        requestConcentratePumpsOn( CONCENTRATEPUMPS_CP2_BICARB );
+
         // Start the timer for drain timeout
         stateTimer = getMSTimerCount();
         state = DG_CHEM_DISINFECT_STATE_PRIME_ACID_LINE;